Significant and Catastrophic Flooding in the Pacific Northwest; Very Cold Temperatures in the Northern Plains

The atmospheric river over the Pacific Northwest will begin to subside today, but lingering rainfall will exacerbate ongoing catastrophic major river flooding, and landslides will continue across portions of western Washington and northwest Oregon for several days. Arctic air will plummet southward into the Northern Plains today, bringing cold air in the single digits to the region by Friday. Read More >

Current conditions at

SAC NWR (NWRC1)

Lat: 39.41722°NLon: 122.1825°WElev: 120.0ft.

NA

42°F

6°C

Humidity 100%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 11 Dec 08:29 AM PST
Extended Forecast for

8 Miles ENE Williams CA

  • Today

    Today: Areas of dense fog before noon.  Otherwise, partly sunny, with a high near 46. Light north wind.

    High: 46 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Tonight

    Tonight: Areas of fog after 9pm.  Otherwise, mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Areas Fog

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 45. Light north northwest wind.

    High: 45 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: Patchy fog.  Otherwise, partly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Patchy Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 46. Calm wind.

    High: 46 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Patchy fog before 1am.  Otherwise, partly cloudy, with a low around 39.

    Low: 39 °F

    Patchy Fog

  • Sunday

    Sunday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Patchy fog.  Otherwise, mostly cloudy, with a low around 40.

    Low: 40 °F

    Patchy Fog

  • Monday

    Monday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

Detailed Forecast

Today
Areas of dense fog before noon. Otherwise, partly sunny, with a high near 46. Light north wind.
Tonight
Areas of fog after 9pm. Otherwise, mostly cloudy, with a low around 39. Calm wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 45. Light north northwest wind.
Friday Night
Patchy fog. Otherwise, partly cloudy, with a low around 40. Calm wind.
Saturday
Mostly sunny, with a high near 46. Calm wind.
Saturday Night
Patchy fog before 1am. Otherwise, partly cloudy, with a low around 39.
Sunday
Partly sunny, with a high near 40.
Sunday Night
Patchy fog. Otherwise, mostly cloudy, with a low around 40.
Monday
Mostly cloudy, with a high near 54.
Monday Night
A chance of showers. Mostly cloudy, with a low around 46.
Tuesday
A chance of showers. Mostly cloudy, with a high near 56.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 50.
Wednesday
A chance of showers. Mostly cloudy, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
8 Miles ENE Williams CA
 39.2°N 122°W (Elev. 46 ft)
1:21 am PST Dec 11, 2025
9am PST Dec 11, 2025-6pm PST Dec 17, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database